* move config file loading into its own function

diff --git a/citadel/utils/setup.c b/citadel/utils/setup.c
index 1d233a49b6ddda001f9f3251a52173d409b6d37c..cf66e3cad958379aff87e32555e0c428f9522dd4 100644 (file)
--- a/citadel/utils/setup.c
+++ b/citadel/utils/setup.c
@@ -1282,14 +1282,53 @@ void set_default_values(void)
 }
 
 
+void get_config (void)
+{
+       int a;
+       int rv;
+       FILE *fp;
 
+       /*
+        * What we're going to try to do here is append a whole bunch of
+        * nulls to the citadel.config file, so we can keep the old config
+        * values if they exist, but if the file is missing or from an
+        * earlier version with a shorter config structure, when setup tries
+        * to read the old config parameters, they'll all come up zero.
+        * The length of the config file will be set to what it's supposed
+        * to be when we rewrite it, because we replace the old file with a
+        * completely new copy.
+        */
+       if ((a = open(file_citadel_config, O_WRONLY | O_CREAT | O_APPEND,
+                     S_IRUSR | S_IWUSR)) == -1) {
+               display_error("setup: cannot append citadel.config");
+               cleanup(errno);
+       }
+       fp = fdopen(a, "ab");
+       if (fp == NULL) {
+               display_error("setup: cannot append citadel.config");
+               cleanup(errno);
+       }
+       for (a = 0; a < sizeof(struct config); ++a) {
+               putc(0, fp);
+       }
+       fclose(fp);
+
+       /* now we re-open it, and read the old or blank configuration */
+       fp = fopen(file_citadel_config, "rb");
+       if (fp == NULL) {
+               display_error("setup: cannot open citadel.config");
+               cleanup(errno);
+       }
+       rv = fread((char *) &config, sizeof(struct config), 1, fp);
+       fclose(fp);
+
+}
 
 int main(int argc, char *argv[])
 {
        int a;
        int curr; 
        char aaa[128];
-       FILE *fp;
        int old_setup_level = 0;
        int info_only = 0;
        int relh=0;
@@ -1392,39 +1431,7 @@ int main(int argc, char *argv[])
 
        }
 
-       /*
-        * What we're going to try to do here is append a whole bunch of
-        * nulls to the citadel.config file, so we can keep the old config
-        * values if they exist, but if the file is missing or from an
-        * earlier version with a shorter config structure, when setup tries
-        * to read the old config parameters, they'll all come up zero.
-        * The length of the config file will be set to what it's supposed
-        * to be when we rewrite it, because we replace the old file with a
-        * completely new copy.
-        */
-       if ((a = open(file_citadel_config, O_WRONLY | O_CREAT | O_APPEND,
-                     S_IRUSR | S_IWUSR)) == -1) {
-               display_error("setup: cannot append citadel.config");
-               cleanup(errno);
-       }
-       fp = fdopen(a, "ab");
-       if (fp == NULL) {
-               display_error("setup: cannot append citadel.config");
-               cleanup(errno);
-       }
-       for (a = 0; a < sizeof(struct config); ++a) {
-               putc(0, fp);
-       }
-       fclose(fp);
-
-       /* now we re-open it, and read the old or blank configuration */
-       fp = fopen(file_citadel_config, "rb");
-       if (fp == NULL) {
-               display_error("setup: cannot open citadel.config");
-               cleanup(errno);
-       }
-       rv = fread((char *) &config, sizeof(struct config), 1, fp);
-       fclose(fp);
+       get_config ();
 
        set_default_values();